docs: update to account for github changes

Jacky Zhao

2023-03-02 aa5ab03d4ad6e7cb4d9efd3f9c177ebde7e4c4af

 assets/styles/_callouts.scss

@@ -82,6 +82,7 @@
  padding-bottom: 0.25em;
  color: var(--dark);
  background-color: var(--lightgray);
  border-left: 6px solid var(--primary) !important;
  & > p {
    border-top-right-radius: 5px;
    padding: 0.5em 1em;